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Algebra

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Write a function rule for:

x 1 2 3 4 5

y 1 5 9 13 17

I do not get these please explain?

  • Ms. Sue Help please? -

    Help please?

  • Algebra -

    note that y increases by 4 when x increases by 1.

    So, expect something like y=4x.

    But 4*1 = 4, not 1, so subtract 3.

    y = 4x-3

    Looks good to me.

  • Algebra -

    That is what I got. Thank you

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